Acharya, G. B.; Shrestha, A.; KC, H. B.; Basnet, R. B.; Shah, A. K.; Shrestha, P. M. Randomized Study Comparing Safety and Efficacy of One Shot Versus Serial Metal Telescopic Dilation Technique in Percutaneous Nephrolithotomy. J. Soc. Surg. Nepal 2017, 20, 13-19.